Seven people have been arrested on suspicion of murder after a body was found down a seven-foot well in Surrey.
Police are still trying to recover the body from a front garden in Audley Drive in Warlingham.
A diving team has been called to the scene.
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Scotland Yard said two murder investigations have been launched following the separate incidents, which both happened in the past week.
Photos show the extraordinary surgical procedures to remove the growth.
The Met Police says 143 firearms have been handed in at stations across the capital in just seven days, including two antique machine guns.